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Expired Canadian patentCanada

Interactive computer network and method of operation

CA 1341310 C · Owner: Gordon, Michael L. · Inventors: Galambos, James A.; Appleman, Kenneth H.; Silfen, Michael J.

CIPO record

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Abstract From the Canadian patent

A distributed processing, interactive computer network and method of operation is described. The network is designed to provide very large numbers of simultaneous users access to large numbers of applications which feature interactive text/graphic sessions. The network includes one or more host computers having application data stores; a plurality of concentrator computers also including, application data stores the concentrator computers being connected in groups of one or more to each of the host computers; and a plurality of reception system computers connected in groups of one or more to each of the concentrator computers, the reception system computers being arranged so that respective …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted October 23, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 17, 1989
GrantedOctober 23, 2001
Term endedOctober 23, 2018
Patent numberCA 1341310 C
Classification (IPC)G06F13/38 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008201120142017Application filedJuly 17, 1989Patent grantedOct 23, 2001Term endedOct 23, 2018

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.